190200445 has 4 divisors (see below), whose sum is σ = 228240540. Its totient is φ = 152160352.

The previous prime is 190200433. The next prime is 190200487. The reversal of 190200445 is 544002091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87198244 + 103002201 = 9338^2 + 10149^2 .

It is a cyclic number.

It is not a de Polignac number, because 190200445 - 2¹³ = 190192253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19020040 + ... + 19020049.

It is an arithmetic number, because the mean of its divisors is an integer number (57060135).

Almost surely, 2^190200445 is an apocalyptic number.

It is an amenable number.

190200445 is a deficient number, since it is larger than the sum of its proper divisors (38040095).

190200445 is an equidigital number, since it uses as much as digits as its factorization.

190200445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38040094.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 190200445 is about 13791.3177397956. The cubic root of 190200445 is about 575.0918013478.

The spelling of 190200445 in words is "one hundred ninety million, two hundred thousand, four hundred forty-five".